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Nokia NRN-522 Exam Syllabus Topics:

Nokia 5G RAN Network Operations Expert Sample Questions:

1. NetAct reports the transport link to a remote 5G site as 'up', but the NOC engineer still cannot establish an OandM session to the AirScale BTS. What is the MOST appropriate next troubleshooting step?

A) Immediately dispatch a technician to replace the RF module
B) Restart the entire NetAct server
C) Verify authentication credentials/certificates and the OandM IP/VLAN configuration on the base station
D) Increase the cell's reference signal transmit power

2. After a field engineer replaces an RF unit, the NOC engineer observes that the eCPRI link between the baseband and the new RF unit remains down, even after the cell is unlocked. What should the NOC engineer do first?

A) Immediately order a replacement baseband module to be shipped to the site
B) Ask the field engineer to verify the physical fiber connections and SFP transceivers between the baseband and the new RF unit before pursuing further remote diagnosis
C) Permanently lock the cell and close the maintenance ticket as complete
D) Change the cell's PLMN ID to force the eCPRI link to re-establish

3. Before activating a newly downloaded software package on a base station, why is it important to verify software compatibility with the unit's current hardware and configuration?

A) Because software compatibility checks are only relevant for 2G equipment and do not apply to 5G base stations
B) Because compatibility verification eliminates the need for any post-activation monitoring
C) Because compatibility checks automatically update the site's physical inventory records
D) Because activating an incompatible software package can result in activation failure, degraded functionality, or the unit failing to return to normal operation, even if the automatic fallback eventually recovers it

4. A NOC engineer 'acknowledges' an active alarm in NetAct FM. What does this action signify?

A) The alarm record is permanently deleted from the system
B) The alarm has been seen and is being handled, helping avoid duplicated investigation by other team members
C) The underlying fault has been automatically repaired
D) The affected base station will automatically reboot

5. A NOC engineer increases the configuredMaxTxPower parameter for a 5G cell as part of a coverage improvement initiative. What is the most likely operational consequence of this change?

A) The cell's coverage area may expand, but interference toward neighboring cells operating on the same or adjacent frequencies may also increase
B) The change will immediately disable all neighbor relations associated with the cell
C) The cell will automatically reduce its bandwidth to compensate for the power increase
D) The change has no impact on coverage or interference, only on the cell's software version

Solutions: